| Campbell to Devnya | 6,555.18 mi (10,549.54 km) |
| Campbell to Dimitrovgrad | 6,586.76 mi (10,600.37 km) |
| Campbell to Dobrich | 6,538.45 mi (10,522.62 km) |
| Campbell to Dospat | 6,579.37 mi (10,588.48 km) |
| Campbell to Dupnitsa | 6,517.15 mi (10,488.35 km) |
| Campbell to Elhovo | 6,600.42 mi (10,622.35 km) |
| Campbell to Etropole | 6,502.39 mi (10,464.59 km) |
| Campbell to Gabrovo | 6,529.97 mi (10,508.97 km) |
| Campbell to Gorna Oryahovitsa | 6,521.28 mi (10,494.99 km) |
| Campbell to Gotse Delchev | 6,574.49 mi (10,580.62 km) |
| Campbell to Harmanli | 6,600.63 mi (10,622.69 km) |
| Campbell to Haskovo | 6,593.31 mi (10,610.91 km) |
| Campbell to Ihtiman | 6,522.67 mi (10,497.23 km) |
| Campbell to Isperih | 6,508.61 mi (10,474.59 km) |
| Campbell to Kardzhali | 6,606.54 mi (10,632.20 km) |
